Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) COULUMBEL L.,Long-term marrow culture reveals chromosomally normal hematopoietic progenitor cells in patients with Philadelphia chromosome-positive chronic myelogenous leukemia.,N Engl J Med,,,1983,308,,1493-1498,https://cir.nii.ac.jp/crid/1574231874227276800,